The Cylinder Pump Motorcycle Rear Hydraulic Brake Master Cylinder, in silver and designed for 125cc, 150cc, and 250cc Thumpstar ATV Pit Pro Dirt Bikes, is an ideal addition to your vehicle's braking system. Its high-quality craftsmanship ensures reliable performance, reducing brake failure risks. The pump's sophisticated design, featuring a cylindrical shape and a seamless finish, not only looks great but also enhances durability. When installed, this rear master cylinder pump provides enhanced braking power, increasing stopping efficiency and control. Its hydraulic brake system ensures optimal braking, making it an essential investment for riders who value safety and performance. With its compact and lightweight design, the pump is easy to install, requiring minimal tools and space. Choose this Cylinder Pump to enhance your cycling or ATV experience and enjoy enhanced safety and control on the road or trail.